Founded 25 years ago, Friends turned Jennifer Aniston, Courteney Cox, Lisa Kudrow, David Schwimmer, Matthew Perry, and Matt LeBlanc into stars overnight.
And the show became so popular that Hollywood's A-list practically fell for a guest role.
Courteney's partner, David Arquette, scaryly appeared as Phoebe Buffay's stalker, while Jens's former husband Brad Pitt played an old schoolmate of Ross Geller, who despised the character of his wife, Rachel Green.
But it was not just friends and family who signed up. From Robin Williams and Reese Witherspoon to Susan Sarandon and Bruce Willis: Here are the biggest stars you've forgotten and the fascinating stories behind them …
The legal blonde actress starred as Rachel's weakened sister Jill.
After trying to improve her relationship, Jill annoyed Rachel by making a series of appointments with her ex-horse.  Reese was to stay for six episodes, but left after only two, sparking rumors of a feud between her and Jennifer Aniston.
However, this could not be further from the truth, as the actresses remain friends today Brad Pitt
Read More [19659009BradwasmarriedtoJenniferAnistonwhenhemadeacameoinTheRumor
But his character's relationship with Rachel was not so cute. Brad played Will Colbert – a former high school girlfriend of Ross and Monica.
It later turned out that he despised Rachel so much at school that he and Ross founded the "I Hate Rachel" club and made a rumor that it was a hemaphrodite.
The plot was criticized by the intersex community. One member brands the episode "ignorant, offensive, humiliating and absolutely unprofessional".
Brad's performance was also awarded by journalist Eric Deggans of the St. Petersburg Times as one of the worst guest stars of all time.
He wrote: "Stilt reactions, exaggerated comedies, almost tangible confidence – despite his services as a film actor, Pitt knew he was out of control in a sitcom. Englisch: www.mjfriendship.de/en/index.php?op…d=40&lang=en. .. = view & id = 167 After five minutes, the audience also did it. "
Danny Devito played a stripper with a dance in him
(Photo: Splash News)
Actor made an unlikely appearance when the man Stripper booked at the last minute for Phoebe's bridal party.
After realizing that his days as a stripper are behind him, Phoebe, Monica and Rachel persuaded him to perform one last dance for them.
Robin Williams and Billy Idol appeared in Central Perk
The late comedian appeared in the popular Central Perk with fellow actor Billy Crystal.
The gang heard Robin's character tell Billy that he feared his wife was unfaithful.
But her jaw dropped as Billy's character admitted to be the other. The two stormed out of the cafe, leaving everyone a little uncomfortable.
Her cameo did not actually appear in the script and only came into existence when the authors saw her in the building and asked if they would like to show up.
Both agreed quickly and advertised most of the conversation.
David Arquette played Phoebe's stalker.
The Scream star appeared in the episode "The One With the Jam" in 1996 and played the stalker Malcolm who accidentally followed Phoebe in place of her twin sister Ursula.
However, show artist Marta Kauffman has recently admitted that she regrets having ever made this episode.
"The stalker, we've done a lot of rewriting to do this work," she told The Tribeca TV Festival.
And David Crane – the other mastermind behind the show – said, "It's one of those things where I do not see the show at home. but occasionally when we're on the road or wh atever, it will be on sometimes and I'll see something … and say, "Wow, that really lasts," and then there are definitely times when I'll go, "Really? Did we go with it? "
George Clooney and his co-star in the emergency department, Noah Wyle, treated Rachel at the hospital
The actor in the emergency department played again He and co-star Noah Wyle began dating Monica and Rachel twice – without knowing that the girls changed identities so Rachel Monicas could use health insurance ,
Julia Roberts's character was out of revenge
The actress with the A-list acted as Chandler's classmate Susie Moss and the two soon started dating Chandler makes a childhood prank and leaves him naked in a restaurant, only in underwear.
Outside the screen, the romance flourished between the two stars, who had a "casual" relationship after months.
Susan Sarandon Sensed the Joey Magic
[Ima: warner Bros]
Susan played one of Joey's co-stars on the days of our lives.
Her character Jessica Lockhart was known for throwing drinks and slaps.
But when Joey learned his comatose figure, Dr. Drake Ramoray When he wanted to get Jessica's mind, he turned to her for advice on how to play the role – and eventually had an argument with her.
Matt seemed to be nervous about working with such a big star, but Friends fan Susan was a dream come true.
"Matt LeBlanc was so sweet and patient that in fact we worked beyond the panic to a place where we had a good time," she said. So much fun and such a great experience. There is no common soul in the whole group. They deserve their success and their big paychecks because they really do a great job. "
Charlie Sheen played an old friend of Phoebe
The former two and a half Men Star starred Ryan, a Navy guy Phoebe knew so far.
Ryan comes to New York for two weeks to spend a romantic time with Phoebe, but both have been hit by chickenpox.
Bruce Willis  Bruce Willis's character shines in Rachel
The Star Die Hard Paul, the father of Ross's 21-year-old girlfriend, Elizabeth.
Paul does not like Ross at once, but has a brief relationship with Ross Rachel.
Bruce allegedly agreed to join Friends as a result of a bet with Matthew Perry starred as they met while filming The Whole Nine Yards, and Willis lost the bet and appeared on the show for free.
Paul Rudd played Phoebe's husband Mike
The unsuspecting actor became a popular character when he appeared as Phoebe's love interest Mike Hannigan.
After the pair had been founded at the last minute on a Blind Date by Joey, they quickly fell in love. They suffer a brief breakup but return together and marry in the final series.
While he married Phoebe, he is said to have had a relationship with Jen in the past.
The two are said to have embarked on a short romance – just before she met Brad Pitt – when Paul played her gay best friend in 1998 in The One.
Brooke licked Joey's fingers After the Superbowl
Hollywood actress Brooke Shields claimed her former boyfriend Andre Agassi had lost his Wimbledon Cup crushed in jealous rage after performing a seductive scene with Matt LeBlanc in Friends.
This tennis player, Agassi, shattered every trophy he owned after seeing her from the stage, licking Matt's character Joey's fingers.
Their friend Andre Agassi was apparently less impressed
US Open, no matter all the others, "she wrote in her memoir Girl: The True Story of Mother and Me.
It took Shields three years to exchange all the trophies after the 1995 incident.